Pennylane tech stack
Pennylane builds mostly with Ruby, SQL, Python, TypeScript. Its stack also includes AWS, Ruby on Rails, Perplexity, PostgreSQL. Ruby is named in 5 of the 37 job postings Pennylane published in the last 12 months (14%). Counted by Alion from the job postings of Pennylane, updated Oct 13, 2026.
What programming languages does Pennylane use?
Ruby is named in 14% of job postings at Pennylane, followed by SQL (8%), Python (5%), TypeScript (5%).
SAS What frameworks and libraries does Pennylane use?
Ruby on Rails is named in 11% of job postings at Pennylane, followed by Jest (3%), React.js (3%), Nuxt.js (3%).
What databases does Pennylane use?
PostgreSQL is named in 3% of job postings at Pennylane.
PostgreSQL
1 3%
What cloud and platforms does Pennylane use?
AWS is named in 11% of job postings at Pennylane, followed by Perplexity (5%), Kubernetes (5%), Amazon EKS (3%).
What developer tools does Pennylane use?
Copilot is named in 3% of job postings at Pennylane, followed by Model Context Protocol (3%), Rest API (3%), Git (3%).
What AI and ML technologies does Pennylane use?
ChatGPT is named in 5% of job postings at Pennylane, followed by LLM (3%).
Which engineering practices does Pennylane ask for?
DPO is named in 16% of job postings at Pennylane, followed by A/B Testing (8%), CI/CD (8%), SLI/SLO/SLA (8%).
CI/CD
3 8%
SLI/SLO/SLA
3 8%
Incident Management
2 5%
AI Agents
1 3%
Anomaly Detection
1 3%
FinOps
1 3%
Show all (16)
What does each Pennylane team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Marketing
5 postingsBackend
3 postingsHow does your stack fit Pennylane?
How is the Pennylane stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Pennylane stack?
Pennylane scores 82 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 2; legacy ones: 0.
How common is the Pennylane stack in its industry?
Share of the 452 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Pennylane apart
Pennylane products in its job postings
Postings at Pennylane name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like Pennylane
Questions about the Pennylane tech stack
What programming languages does Pennylane use?
The languages named in Pennylane job postings are Ruby (14%), SQL (8%), Python (5%), TypeScript (5%), JavaScript (5%), as a share of the 37 postings of the last 12 months.
Does Pennylane use Ruby on Rails?
Yes. Ruby on Rails is named in 4 of 37 job postings (11%) and required in 3 of them.
What cloud and platforms does Pennylane use?
The cloud and platforms named in Pennylane job postings are AWS (4), Perplexity (2), Kubernetes (2) (postings in brackets).
What skills do you need for a Marketing job at Pennylane?
Marketing postings at Pennylane most often require ChatGPT (2), Perplexity (2), out of 5 postings in the last 12 months.
Is the Pennylane tech stack changing?
Yes. ChatGPT, Perplexity, SLI/SLO/SLA, Incident Management first appeared in Pennylane job postings in the last six months.
How modern is the Pennylane tech stack?
Pennylane scores 82 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 2; legacy ones: 0.
How does Alion know the Pennylane tech stack?
Alion reads every job posting Pennylane publishes and tags the technologies each one names. The figures on this page count the 37 postings of the last 12 months and were updated on Oct 13, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Pennylane tech stack: 41 technologies from 37 job postings", as of Oct 13, 2026. https://alion.io/company/pennylane-com/technologies